<template>
  <div>
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- 分类的面包屑 -->
            <li class="with-x" v-if="searchParams.categoryName">
              {{ searchParams.categoryName
              }}<i @click="removeCategoryName">x</i>
            </li>
            <!-- 搜索框的面包屑 -->
            <li class="with-x" v-if="searchParams.keyword">
              {{ searchParams.keyword }}<i @click="removeKeyword">x</i>
            </li>
            <!-- 品牌的面包屑 -->
            <li class="with-x" v-if="searchParams.trademark">
              {{ searchParams.trademark.split(":")[1]
              }}<i @click="removeTrademark">x</i>
            </li>
            <!-- 售卖信息的面包屑 -->
            <li
              class="with-x"
              v-for="(attrValue, index) in searchParams.props"
              :key="index"
            >
              {{ attrValue.split(":")[1]
              }}<i @click="removeAttrValue(index)">x</i>
            </li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector @trademarkInfo="trademarkInfo" @attrInfo="attrInfo" />

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <!-- order里面包含1（综合）就加上active类名 -->
                <li :class="{ active: isOne }" @click="changeOrder('1')">
                  <a>综合<span
                      v-show="isOne"
                      class="iconfont"
                      :class="{ 'icon-UP': isAsc, 'icon-DOWN': isDesc }"
                    ></span
                  ></a>
                </li>
                <!-- order里面包含2（价格）就加上active类名 -->
                <li :class="{ active: isTwo }" @click="changeOrder('2')">
                  <a>价格<span
                      v-show="isTwo"
                      class="iconfont"
                      :class="{ 'icon-UP': isAsc, 'icon-DOWN': isDesc }"
                    ></span
                  ></a>
                </li>
              </ul>
            </div>
          </div>
          <!-- 售卖的产品 -->
          <div class="goods-list">
            <ul class="yui3-g">
              <li
                class="yui3-u-1-5"
                v-for="(good, index) in goodsList"
                :key="good.id"
              >
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link :to="`/detail/${good.id}`">
                        <img v-lazy="good.defaultImg"/>
                    </router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ good.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a
                      target="_blank"
                      href="item.html"
                      title="促销信息，下单即赠送三个月CIBN视频会员卡！【小米电视新品4A 58 火爆预约中】"
                      >Apple苹果iPhone {{ good.title }}</a
                    >
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                      >加入购物车</a
                    >
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!-- 分页器 -->
          <Pagination :pageNo="searchParams.pageNo" :pageSize="searchParams.pageSize" :total="total" :continues="5" @getPageNo="getPageNo"></Pagination>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from "./SearchSelector/SearchSelector";
import { mapGetters, mapState } from "vuex";
export default {
  name: "Search",
  data() {
    return {
      // 带给服务器的参数
      searchParams: {
        // 一级分类id
        category1Id: "",
        // 二级分类id
        category2Id: "",
        // 三级分类id
        category3Id: "",
        // 分类名字
        categoryName: "",
        // 关键字
        keyword: "",
        // 排序
        order: "1:desc",
        // 当前页码
        pageNo: 1,
        // 每一页展示数据个数
        pageSize: 10,
        // 平台售卖属性操作带的参数
        props: [],
        // 品牌
        trademark: "",
      },
    };
  },
  components: {
    SearchSelector,
  },
  beforeMount() {
    // 在发请求之前，把数据整理出来传给服务器，服务器进行相应的查询后返回过来
    Object.assign(this.searchParams, this.$route.query, this.$route.params);
  },
  mounted() {
    //组件挂载完毕，发送一次请求
    this.getData();
    // 每次请求完毕，应该把相应的1、2、3级分类的id置空，让它接受下一次相应的1、2、3级分类（这三级分类只要一个数据）
    this.searchParams.category1Id = "";
    this.searchParams.category2Id = "";
    this.searchParams.category3Id = "";
  },
  watch: {
    // 监听路由信息是否发生变化，若变化，再次发送请求
    $route(newValue, oldValue) {
      // 再次整理数据
      Object.assign(this.searchParams, this.$route.query, this.$route.params);
      this.getData();
      // 每次请求完毕，应该把相应的1、2、3级分类的id置空，让它接受下一次相应的1、2、3级分类（这三级分类只要一个数据）
      this.searchParams.category1Id = "";
      this.searchParams.category2Id = "";
      this.searchParams.category3Id = "";
    },
  },
  computed: {
    //mapGetters里面传递的是数组，因为getters计算属性里面没有划分模块【home,search】
    ...mapGetters(["goodsList"]),
    isOne() {
      return this.searchParams.order.indexOf("1") != -1;
    },
    isTwo() {
      return this.searchParams.order.indexOf("2") != -1;
    },
    isAsc() {
      return this.searchParams.order.indexOf("asc") != -1;
    },
    isDesc() {
      return this.searchParams.order.indexOf("desc") != -1;
    },
    ...mapState({
      total:state => state.search.searchList.total
    })
  },
  methods: {
    // 把请求封装成一个函数
    getData() {
      this.$store.dispatch("getSearchList", this.searchParams);
    },
    // 三级联动的删除按钮单击事件
    removeCategoryName() {
      // 点击X把数据置空，重新发起请求
      // 带给服务器参数说明可有可无的：若为空字符串还是会把空字符串发给服务器，所以给undefined
      this.searchParams.categoryName = undefined;
      this.searchParams.category1Id = undefined;
      this.searchParams.category2Id = undefined;
      this.searchParams.category3Id = undefined;
      this.getData();
      // 地址栏也需要改：进行自己跳转路由
      // 严谨：本意是删除query参数，先判断是否有params参数
      if (this.$route.params) {
        this.$router.push({ name: "search", params: this.$route.params });
      }
      // 每次请求完毕，应该把相应的1、2、3级分类的id置空，让它接受下一次相应的1、2、3级分类（这三级分类只要一个数据）
      this.searchParams.category1Id = "";
      this.searchParams.category2Id = "";
      this.searchParams.category3Id = "";
    },
    // 搜索框关键字删除按钮单击事件
    removeKeyword() {
      // 给服务器带的参数searchParams的keyword置空
      this.searchParams.keyword = undefined;
      // 再次发请求
      this.getData();
      // 通知兄弟组件Header清除关键字
      this.$bus.$emit("clear");
      // 地址栏也需要改：进行自己跳转路由
      // 严谨：本意是删除params参数，先判断是否有query参数
      if (this.$route.query) {
        this.$router.push({ name: "search", query: this.$route.query });
      }
    },
    // 品牌的删除按钮单击事件
    removeTrademark() {
      this.searchParams.trademark = undefined;
      this.getData();
    },
    // 售卖信息的删除按钮单击事件
    removeAttrValue(index) {
      // 整理参数
      this.searchParams.props.splice(index, 1);
      this.getData();
    },
    // 自定义事件
    trademarkInfo(trademark) {
      // 将子组件传过来的参数整理参数（ID:品牌名称）
      this.searchParams.trademark = `${trademark.tmId}:${trademark.tmName}`;
      // 再次发请求
      this.getData();
    },
    attrInfo(attrs, attrValue) {
      // 整理参数（["属性ID:属性值：属性名"]）
      let props = `${attrs.attrId}:${attrValue}:${attrs.attrName}`;
      // 数组去重
      if (this.searchParams.props.indexOf(props) == -1) {
        this.searchParams.props.push(props);
      }
      this.getData();
    },
    // 综合和价格单击事件（排序）
    changeOrder(flag){
      //flag形参，代表用户点击的是综合(1)还是价格(2)
      //originFlay代表点击前的是1|2,originSort代表点击前是asc|desc
      let originFlag = this.searchParams.order.split(":")[0]
      let originSort = this.searchParams.order.split(":")[1]
      //准备一个新的order参数值
      let newOrder = ''
      if(flag==originFlag){
        //点击的是自己
        newOrder = `${originFlag}:${originSort=="desc"?"asc":"desc"}`
      }else{
        //点击的不是自己
        newOrder = `${flag}:${"desc"}`
      }
      //将新的参数给order，重新发请求
      this.searchParams.order = newOrder
      this.getData()
    },
    getPageNo(pageNo){
      console.log(pageNo);
      // 整理参数
      this.searchParams.pageNo = pageNo
      this.getData()
    }
  },
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      
    }
  }
}
</style>